Grasses ? It may make sense to just keep tossing ideas out there and see how many get used or not. I assume it would be easy enough to delete inactive categories. It's easy enough to open the web site of a given company, scroll through their offerings, and check the boxes of things they offer. I have done this for the few recommendations I've contributed, and am happy to poke around and do some more as time allows. I'm finding it interesting to actually look at their web sites, some of which I've never visited.